Oligocene fore-arc. Sample powders (all 0-5% plagioclase phyric) were leached for 6 h in 6 M HCl before Sr isolation. Rb/Sr ratios were determined on the post-leach residue by ICP-MS following a HF-HN
Fossil reefs are valuable recorders of paleoenvironmental changes during the last deglaciation, and detailed characterizations of coralgal assemblages can improve understanding...
